20528696

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 42854400

約数和(自身を除く): 22325704

約数列:

[1, 2, 4, 8, 23, 31, 46, 59, 61, 62, 92, 118, 122, 124, 184, 236, 244, 248, 472, 488, 713, 1357, 1403, 1426, 1829, 1891, 2714, 2806, 2852, 3599, 3658, 3782, 5428, 5612, 5704, 7198, 7316, 7564, 10856, 11224, 14396, 14632, 15128, 28792, 42067, 43493, 82777, 84134, 86986, 111569, 165554, 168268, 173972, 223138, 331108, 336536, 347944, 446276, 662216, 892552, 2566087, 5132174, 10264348, 20528696]

約数ペア:

[(1, 20528696), (2, 10264348), (4, 5132174), (8, 2566087), (23, 892552), (31, 662216), (46, 446276), (59, 347944), (61, 336536), (62, 331108), (92, 223138), (118, 173972), (122, 168268), (124, 165554), (184, 111569), (236, 86986), (244, 84134), (248, 82777), (472, 43493), (488, 42067), (713, 28792), (1357, 15128), (1403, 14632), (1426, 14396), (1829, 11224), (1891, 10856), (2714, 7564), (2806, 7316), (2852, 7198), (3599, 5704), (3658, 5612), (3782, 5428)]